Equifax has no idea how deep the losses incurred by its massive data breach will run.

The company is also coming under fire from government agencies and courts.

Equifax reported that revenue ticked up 4% year-over-year in the third quarter to a less-than expected $835 million and that net income plunged 27% to $96 million due to the initial costs related to the most damaging consumer data hack in US history...